Home / 397,612.36-596,292.18-131,323.24

Finding the Fourth Proportional to 397,612.36, 596,292.18 and 131,323.24

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Solution

The fourth proportional to 397,612.36, 596,292.18 and 131,323.24 is: 196,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,612.36 : 596,292.18 = 131,323.24 : x
  2. Step 2: Convert to fraction form
    397,612.36/596,292.18 = 131,323.24/x
  3. Step 3: Cross multiply
    397,612.36x = 596,292.18 × 131,323.24
  4. Step 4: Simplify right side
    397,612.36x = 78,307,021,064.26
  5. Step 5: Solve for x
    x = 78,307,021,064.26/397,612.36
  6. Step 6: Final answer
    x = 196,943.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.